Aculops ulmi Hong & Xue, 2005

Li, Hao-Sen, Xue, Xiao-Feng & Hong, Xiao-Yue, 2012, Eriophyoid mites from Qinghai Province, northwestern China with descriptions of nine new species (Acari, Eriophyoidea), ZooKeys 196, pp. 47-107 : 56-57

Aculops ulmi Hong & Xue, 2005 Figures 12-15

Aculops ulmi Hong and Xue 2005: 205, 209.

Redescription.

Female. (n = 10) Body fusiform, light yellow, 192 (192-230), 70 (62-72) wide, 80 (80-81) thick. Gnathosoma 23 (23-25), projecting obliquely down, suboral plate present, pedipalp coxal seta (ep) 3 (2-4), dorsal pedipalp genual seta (d) 6 (5-6), cheliceral stylets 22 (22-25). Prodorsal shield 33 (33-34), 48 (48-51) wide, subtriangular; median, admedian and submedian lines present, median line ending at basal 1/4 of prodorsal shield, median and admedian lines connected at basal 1/4 of prodorsal shield, admedian and submedian lines connected at basal 2/3 of prodorsal shield, forming two cells on both sides of median line. Scapular tubercles on rear shield margin, 4 (4-5), 26 (26-28) apart, scapular setae (sc) 55 (55-60), projecting posteriorly, knobbed at the end. Coxigenital region with 7 (6-7) annuli, with triangular microtubercles. Coxisternal plates with short lines and granules, anterolateral setae on coxisternum I (1b) 13 (10-13), 14 (14-15) apart, proximal setae on coxisternum I (1a) 30 (27-30), 11 (11-13) apart, proximal setae on coxisternum II (2a) 54 (54-57), 26 (26-28) apart, tubercles 1b and 1a 7 (7-8) apart, tubercles 1a and 2a 9 (9-10) apart. Prosternal apodeme combined, 7 (5-11). Leg I 31 (31-35), femur 10 (9-12), basiventral femoral seta (bv) 12 (11-14); genu 5 (5-6), antaxial genual seta (l") 22 (22-29); tibia 7 (7-9), paraxial tibial seta ( l’) 6 (6-8), located at 1/3 from dorsal base; tarsus 8 (8-11), seta ft’ 16 (16-18), seta ft" 20 (20-25), seta u’ 6 (5-6); tarsal empodium (em) 6 (6-7), simple, 2-rayed, tarsal solenidion (ω) 9 (8-10), slightly knobbed. Leg II 28 (28-31), femur 9 (9-11), basiventral femoral seta (bv) 12 (11-12); genu 5 (5-6), antaxial genual seta (l") 9 (9-13); tibia 5 (5-7); tarsus 9 (9-10), seta ft’ 7 (6-7), seta ft" 18 (18-20), seta u’ 5 (4-5); tarsal empodium (em) 6 (6-7), simple, 2-rayed, tarsal solenidion (ω) 8 (8-11), slightly knobbed. Opisthosoma dorsally with 35 (22-38) annuli, with triangular microtubercles, ventrally with 55 (55-56) annuli, with triangular microtubercles. Setae c2 16 (14-16) on ventral annulus 10 (10-11), 61 (61-69) apart; setae d 57 (55-65) on ventral annulus 21 (21-22), 50 (48-50) apart; setae e 14 (12-19) on ventral annulus 33 (32-34), 23 (23-24) apart; setae f 27 (26-30) on ventral annulus 51 (49-53), 21 (19-21) apart. Setae h1 3 (3-4), h2 90 (85-90). Female genitalia 11 (11-14), 23 (22-23) wide, coverflap with 8 longitudinal ridges, setae 3a 17 (17-22), 17 (16-17) apart.

Male. Unknown.

Type material.

Hong and Xue (2005) described types as follows: Holotype female (slide number 17.viii.2003), from Ulmus sp. ( Ulmaceae ), Xingtai city, Hebei Province, P. R. China, coll. Xiao-Feng Xue. Paratypes (slide number 17.2003). 9 females and 2 males. All types here were re-examined. Female genitalia coverflap with 10-12 longitudinal ridges.

Additional material.

6 females (slide number NJAUEri792) from Ulmus sp. ( Ulmaceae ), Xining, Qinghai Province, P. R. China, 36°38'18"N, 101°45'27"E, elevation 2241m, 21 July 2007, coll. Xiao-Feng Xue.

Relation to host.

Vagrant on leaf lower surface. No damage to the host was observed.

Distribution.

China (Hebei, Qinghai).

Notes.

Instead of the original description: female genitalia coverflap smooth, female genitalia coverflap is with 8 longitudinal ridges in this redescriptio n.